Ok I got iot to work this time...
Couple of points
1. which is the image code?
[url='http://www.jokeroo.com/user_galleries/11420_bcc35183e991e328948d6ad613a52d22.h tml]'

[url]
thios one?
http://www.jokeroo.com/user_categories/funnypictures/11420_bcc35183e991e328948d6ad613a52d22.h tml
this one
[url='http://www.jokeroo.com/user_galleries/11420_bcc35183e991e328948d6ad613a52d22.h tml]'

[url]this one
or

this one?
it is not at all clear from the uploader.
Looks like none of these. So the uploader requires us to cut and paste and then amend to get the image.
I'd stick to using another one if that's the case.